418934513 has 2 divisors, whose sum is σ = 418934514. Its totient is φ = 418934512.

The previous prime is 418934507. The next prime is 418934521. The reversal of 418934513 is 315439814.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 374151649 + 44782864 = 19343^2 + 6692^2 .

It is a cyclic number.

It is not a de Polignac number, because 418934513 - 2⁴ = 418934497 is a prime.

It is a super-2 number, since 2×418934513² = 351012252365094338, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (418934563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209467256 + 209467257.

It is an arithmetic number, because the mean of its divisors is an integer number (209467257).

Almost surely, 2^418934513 is an apocalyptic number.

It is an amenable number.

418934513 is a deficient number, since it is larger than the sum of its proper divisors (1).

418934513 is an equidigital number, since it uses as much as digits as its factorization.

418934513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 38.

The square root of 418934513 is about 20467.8898032992. The cubic root of 418934513 is about 748.2534249768.

The spelling of 418934513 in words is "four hundred eighteen million, nine hundred thirty-four thousand, five hundred thirteen".